Home / 1,386,007.30-2,079,010.95-851,796.10

Finding the Fourth Proportional to 1,386,007.30, 2,079,010.95 and 851,796.10

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Solution

The fourth proportional to 1,386,007.30, 2,079,010.95 and 851,796.10 is: 1,277,694.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,007.30 : 2,079,010.95 = 851,796.10 : x
  2. Step 2: Convert to fraction form
    1,386,007.30/2,079,010.95 = 851,796.10/x
  3. Step 3: Cross multiply
    1,386,007.30x = 2,079,010.95 × 851,796.10
  4. Step 4: Simplify right side
    1,386,007.30x = 1,770,893,419,067.30
  5. Step 5: Solve for x
    x = 1,770,893,419,067.30/1,386,007.30
  6. Step 6: Final answer
    x = 1,277,694.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.